Peter Shankman is a busy guy -- a media entrepreneur who runs several businesses, gives keynote speeches around the world, hosts a popular podcast, runs marathons and Iron Mans, is a licensed skydiver, dabbles in angel investing, and is loving father to his young daughter.

Simply put, he always seems to have more than 24 hours in a day. How does he do it? Peter attributes his unusually high energy level and extreme productivity to his ADHD.

In Faster Than Normal, Shankman shares his hard-won...